Go to the Roblox Studio and access the asset manager through the view tab. A T-shirt is the simplest design to create but fairly basic. Roblox utilizes images in .png, .jpg, .tga, or .bmp format.

Roblox allows players to freely personalize clothing items, allowing them to express themselves and stand out from others.

In the vibrant and ever-expanding universe of Roblox, a platform that has redefined the boundaries of gaming and creativity, there lies a unique feature that has captured the imagination of millions: ...

Much like most things on Roblox, you will be making this yourself from scratch, so you'll need to design a t-shirt in an image and then upload it to Roblox.